ASRock H81 Pro BTC R2.0 BIOS 1.20 ASRock Super Alloy Supports New 4th and 4th Generation Intel® Core™ i7/i5/i3/Xeon®/Pentium®/Celeron® Processors (Socket 1150) All Solid Capacitor design Digi Power, 4 Power Phase design Supports Dual Channel DDR3 1600 1 x PCIe 2.0 x16, 5 x PCIe 2.0 x1 Graphics output options: D-Sub, HDMI 5.1 CH HD Audio (Realtek ALC662 Audio Codec) 2 x SATA3, 2 x SATA2 2 x USB 3.0, 6 x USB 2.0 (4 Front, 2 Rear) Realtek Gigabit LAN Supports Full Spike Protection, ASRock Live Update & APP Shop